wifi settings prep

P1_gateway_FW/.vscode/settings.json

@@ -9,6 +9,8 @@
     "string": "cpp",
     "unordered_map": "cpp",
     "vector": "cpp",
-    "initializer_list": "cpp"
+    "initializer_list": "cpp",
+    "string_view": "cpp",
+    "ranges": "cpp"
   }
 }

P1_gateway_FW/platformio.ini

@@ -15,6 +15,8 @@ framework = arduino
 monitor_speed = 115200
 lib_deps = 
   glmnet/Dsmr@^0.3
+  juerd/ESP-WiFiSettings @ ^3.8.0
 lib_ldf_mode = deep+
-compile_flags = 
+;compile_flags = 
-	-std=c++11
+;	-std=c++11
+board_build.filesystem = littlefs

P1_gateway_FW/src/connection.cpp

@@ -1,13 +1,44 @@
 #include "connection.h"
 
+String wifiState;
+FS *filesystem = &SPIFFS;
+
+void initWifiConnection(void)
+{
+  // Set custom callback functions
+  WiFiSettings.onSuccess = []()
+  {
+    wifiState = "Success";
+  };
+  WiFiSettings.onFailure = []()
+  {
+    wifiState = "Failed";
+  };
+  WiFiSettings.onWaitLoop = []()
+  {
+    wifiState = "Waiting";
+    return 500; // Delay next function call by 500ms
+  };
+
+  // Callback functions do not have to be lambda's, e.g.
+  // WiFiSettings.onPortalWaitLoop = blink;
+
+  // Define custom settings saved by WifiSettings
+  // These will return the default if nothing was set before
+  String host = WiFiSettings.string("server_host", "default.example.org");
+  int port = WiFiSettings.integer("server_port", 443);
+
+  // Connect to WiFi with a timeout of 30 seconds
+  // Launches the portal if the connection failed
+  WiFiSettings.connect(true, 30);
+}
+
 void initConnection(void)
 {
+  filesystem->begin();
+  initWifiConnection();
 }
+
 void handleConnection(void)
 {
 }
-
-wifiStrength getWifiStrength(void)
-{
-  return signal_3;
-}

P1_gateway_FW/src/connection.h

@@ -1,5 +1,9 @@
 #pragma once
 
+#include <littleFS.h>
+#include <WiFiSettings.h>
+
+
 void initConnection( void );
 void handleConnection(void);
 

P1_gateway_FW/src/data/test.txt

@@ -0,0 +1 @@
+hello world!

P1_gateway_FW/src/display.cpp

@@ -1,142 +1,108 @@
 #include "display.h"
 
 SSD1306Wire display(0x3c, SDA, SCL);
-bool initOK = false;
 
-OLEDDisplayUi ui(&display);
+e_displayStates displayState = DISPLAY_INIT;
+uint32_t lastDisplayCycle = 0;
+uint32_t lastDisplayUpdate = 0;
 
-
+void drawDSMRstats(void)
-
-int screenW = 128;
-int screenH = 64;
-int clockCenterX = screenW / 2;
-int clockCenterY = ((screenH - 16) / 2) + 16; // top yellow part is 16 px height
-int clockRadius = 23;
-
-// utility function for digital clock display: prints leading 0
-String twoDigits(int digits)
 {
-  if (digits < 10)
+  display.setTextAlignment(TEXT_ALIGN_LEFT);
-  {
+  display.setFont(ArialMT_Plain_10);
-    String i = '0' + String(digits);
+  display.drawString(0, 0, "DSMR stats:");
-    return i;
+  display.drawString(0, 11, getMsgCount());
-  }
-  else
-  {
-    return String(digits);
-  }
 }
 
-void msOverlay(OLEDDisplay *display, OLEDDisplayUiState *state)
+void drawElecFrame(void)
 {
+  display.setTextAlignment(TEXT_ALIGN_LEFT);
+  display.setFont(ArialMT_Plain_10);
+  display.drawString(0, 0, "Electricity:");
 
-  
+  display.drawString(0, 11, getElecDelivered());
+  display.drawString(0, 22, getElecReturned());
 }
 
-void initFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
+void drawGasFrame(void)
 {
-  // draw an xbm image.
+  display.setTextAlignment(TEXT_ALIGN_LEFT);
-  // Please note that everything that should be transitioned
+  display.setFont(ArialMT_Plain_10);
-  // needs to be drawn relative to x and y
+  display.drawString(0, 0, getGasDelivered());
-
-  //display->drawXbm(x + 34, y + 14, WiFi_Logo_width, WiFi_Logo_height, WiFi_Logo_bits);
-  display->setTextAlignment(TEXT_ALIGN_CENTER);
-  display->setFont(ArialMT_Plain_16);
-  display->drawString(64 + x, 8 + y, "DU-DSMR-W");
-  //display->
 }
 
-void DSMRStatsFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
+void drawInitFrame(void)
 {
-  // Demonstrates the 3 included default sizes. The fonts come from SSD1306Fonts.h file
+  display.setTextAlignment(TEXT_ALIGN_CENTER);
-  // Besides the default fonts there will be a program to convert TrueType fonts into this format
+  display.setFont(ArialMT_Plain_16);
-  
+  display.drawString(64, 12, "DU-DSMR-W");
-  display->setTextAlignment(TEXT_ALIGN_LEFT);
+  display.drawXbm(0, 0, wifiicon10x10_width, wifiicon10x10_height, wifi10x10_png_bits);
-  display->setFont(ArialMT_Plain_10);
+  display.drawXbm(16,0, download_cloud_solid_png_width, download_cloud_solid_png_height, download_cloud_solid_png_bits);
-  display->drawString(0 + x, 0 + y, "DSMR stats:");
-  display->drawString(0 + x, 11 + y, getMsgCount());
 }
 
-void ElecFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
-{
-  display->setTextAlignment(TEXT_ALIGN_LEFT);
-  display->setFont(ArialMT_Plain_10);
-  display->drawString(0 + x, 0 + y, "Electricity:");
-
-  display->drawString(0 + x, 11 + y, getElecDelivered());
-  display->drawString(0 + x, 22 + y, getElecReturned());
-}
-
-void GasFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
-{
-  display->setTextAlignment(TEXT_ALIGN_LEFT);
-  display->setFont(ArialMT_Plain_10);
-  display->drawString(0 + x, 0 + y, getGasDelivered());
-}
-
-void drawFrame5(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
-{
-
-}
-
-// This array keeps function pointers to all frames
-// frames are the single views that slide in
-FrameCallback frames[] = {initFrame, DSMRStatsFrame, ElecFrame, GasFrame};//, drawFrame5};
-
-// how many frames are there?
-int frameCount = 4;
-
-// Overlays are statically drawn on top of a frame eg. a clock
-//OverlayCallback overlays[] = {msOverlay};
-//int overlaysCount = 1;
-
 void initDisplay(void)
 {
-  // The ESP is capable of rendering 60fps in 80Mhz mode
-  // but that won't give you much time for anything else
-  // run it in 160Mhz mode or just set it to 30 fps
-  ui.setTargetFPS(30);
   display.init();
-  // Customize the active and inactive symbol
+  drawInitFrame();
-  //ui.setActiveSymbol(activeSymbol);
+  display.display();
-  //ui.setInactiveSymbol(inactiveSymbol);
 
-  // You can change this to
+  Serial.printf("initdisplay: h=%u, w=%u\n", display.height(), display.width());
-  // TOP, LEFT, BOTTOM, RIGHT
+}
-  ui.setIndicatorPosition(RIGHT);
 
-  // Defines where the first frame is located in the bar.
+e_displayStates nextFrame(void)
-  ui.setIndicatorDirection(LEFT_RIGHT);
+{
-
+  displayState = static_cast<e_displayStates>(static_cast<int>(displayState) + 1);
-  // You can change the transition that is used
+  if (displayState == DISPLAU_LAST)
-  // SLIDE_LEFT, SLIDE_RIGHT, SLIDE_UP, SLIDE_DOWN
+  {
-  ui.setFrameAnimation(SLIDE_UP);
+    displayState = DISPLAY_DSMR1;
-
+  }
-  // Add frames
+  return displayState;
-  ui.setFrames(frames, frameCount);
-
-  // Add overlays
-  //ui.setOverlays(overlays, overlaysCount);
-  //ui.disableAllIndicators();
-
-  // Initialising the UI will init the display too.
-  ui.init();
-
-  Serial.printf("initdisplay: h=%u, w=%u", display.height(), display.width());
-
-  //display.flipScreenVertically();
 }
 
 void handleDisplay(void)
 {
-  int remainingTimeBudget = ui.update();
+  uint32_t timeNow = millis();
 
-  if (remainingTimeBudget > 0)
+  if (timeNow - lastDisplayUpdate > DISPLAY_CYCLE_TIME)
   {
-    // You can do some work here
+    //lastDisplayUpdate
-    // Don't do stuff if you are below your
+    display.clear();
-    // time budget.
+
-    Serial.println(remainingTimeBudget);
+    switch (displayState)
-    //delay(remainingTimeBudget);
+    {
+    case DISPLAY_INIT:
+    {
+      drawInitFrame();
+    }
+    break;
+    case DISPLAY_DSMR1:
+    {
+      drawElecFrame();
+    }
+    break;
+    case DISPLAY_DSMR2:
+    {
+      drawGasFrame();
+    }
+    break;
+    case DISPLAY_DSMR3:
+    {
+      drawDSMRstats();
+    }
+    break;
+    default:
+    {
+      displayState = nextFrame();
+    }
+    break;
+    }
+    display.display();
+    lastDisplayUpdate = timeNow;
+  }
+
+  if (timeNow - lastDisplayCycle > DISPLAY_CYCLE_TIME)
+  {
+    displayState = nextFrame();
+    lastDisplayCycle = timeNow;
   }
 }

P1_gateway_FW/src/display.h

@@ -1,12 +1,23 @@
 #pragma once
 
 #include "Arduino.h"
-#include "OLEDDisplayUi.h"
+#include "SSD1306Wire.h"
-#include "SSD1306Wire.h" // legacy include: `#include "SSD1306.h"`
 #include "board.h"
 #include "images.h"
 #include "dsmrhandler.h"
 #include "connection.h"
 
+#define DISPLAY_UPDATE_TIME 200
+#define DISPLAY_CYCLE_TIME 3000
+
+typedef enum{
+  DISPLAY_INIT,
+  DISPLAY_DSMR1,
+  DISPLAY_DSMR2,
+  DISPLAY_DSMR3,
+  DISPLAU_LAST
+}e_displayStates;
+
+
 void initDisplay(void);
 void handleDisplay(void);

P1_gateway_FW/src/images.h

@@ -1,34 +1,21 @@
 #pragma once
 
 #include "Arduino.h"
-#define WiFi_Logo_width 60
+
-#define WiFi_Logo_height 36
+
-const uint8_t WiFi_Logo_bits[] {
+#define wifiicon10x10_width 13
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8,
+#define wifiicon10x10_height 10
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xFF, 0x07, 0x00, 0x00, 0x00,
+const PROGMEM uint8_t wifi10x10_png_bits[] = {
-  0x00, 0x00, 0xE0, 0xFF, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xFF,
+    0xf0, 0x01, 0x0c, 0x06, 0x02, 0x08, 0xf0, 0x01, 0x08, 0x02, 0x00, 0x00,
-  0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00
-  0x00, 0x00, 0xFE, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+};
-  0xFF, 0x03, 0x00, 0x00, 0x00, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+
-  0x00, 0xFF, 0xFF, 0xFF, 0x07, 0xC0, 0x83, 0x01, 0x80, 0xFF, 0xFF, 0xFF,
+#define download_cloud_solid_png_width 18
-  0x01, 0x00, 0x07, 0x00, 0xC0, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x0C, 0x00,
+#define download_cloud_solid_png_height 9
-  0xC0, 0xFF, 0xFF, 0x7C, 0x00, 0x60, 0x0C, 0x00, 0xC0, 0x31, 0x46, 0x7C,
+const PROGMEM uint8_t download_cloud_solid_png_bits[] = {
-  0xFC, 0x77, 0x08, 0x00, 0xE0, 0x23, 0xC6, 0x3C, 0xFC, 0x67, 0x18, 0x00,
+   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x91, 0xb9, 0x03, 0x5b, 0x12, 0x01,
-  0xE0, 0x23, 0xE4, 0x3F, 0x1C, 0x00, 0x18, 0x00, 0xE0, 0x23, 0x60, 0x3C,
+   0x55, 0x12, 0x01, 0x51, 0x13, 0x01, 0x91, 0x13, 0x01, 0x00, 0x00, 0x00,
-  0x1C, 0x70, 0x18, 0x00, 0xE0, 0x03, 0x60, 0x3C, 0x1C, 0x70, 0x18, 0x00,
+   0x00, 0x00, 0x00 };
-  0xE0, 0x07, 0x60, 0x3C, 0xFC, 0x73, 0x18, 0x00, 0xE0, 0x87, 0x70, 0x3C,
-  0xFC, 0x73, 0x18, 0x00, 0xE0, 0x87, 0x70, 0x3C, 0x1C, 0x70, 0x18, 0x00,
-  0xE0, 0x87, 0x70, 0x3C, 0x1C, 0x70, 0x18, 0x00, 0xE0, 0x8F, 0x71, 0x3C,
-  0x1C, 0x70, 0x18, 0x00, 0xC0, 0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x08, 0x00,
-  0xC0, 0xFF, 0xFF, 0x1F, 0x00, 0x00, 0x0C, 0x00, 0x80, 0xFF, 0xFF, 0x1F,
-  0x00, 0x00, 0x06, 0x00, 0x80, 0xFF, 0xFF, 0x0F, 0x00, 0x00, 0x07, 0x00,
-  0x00, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0xF8, 0xFF, 0xFF,
-  0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xFF, 0x01, 0x00, 0x00,
-  0x00, 0x00, 0xFC, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xFF,
-  0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xFF, 0x1F, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x80, 0xFF, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  };
 
 const uint8_t activeSymbol[] = {
     B00000000,

P1_gateway_FW/src/main.cpp

@@ -4,7 +4,6 @@
 #include "connection.h"
 
 
-
 void setup() {
   // put your setup code here, to run once:
   Serial.begin(115200);
@@ -18,7 +17,6 @@ void setup() {
 
 void loop() {
   // put your main code here, to run repeatedly:
-  Serial.print(".|.ß");
   handleDisplay();
   handleConnection();
 }